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Finding the Fourth Proportional to 179,238.80, 269,052.60 and 100,506.80

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Solution

The fourth proportional to 179,238.80, 269,052.60 and 100,506.80 is: 150,869.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,238.80 : 269,052.60 = 100,506.80 : x
  2. Step 2: Convert to fraction form
    179,238.80/269,052.60 = 100,506.80/x
  3. Step 3: Cross multiply
    179,238.80x = 269,052.60 × 100,506.80
  4. Step 4: Simplify right side
    179,238.80x = 27,041,615,857.68
  5. Step 5: Solve for x
    x = 27,041,615,857.68/179,238.80
  6. Step 6: Final answer
    x = 150,869.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.